Elizabeth Min and her team investigated the response of carbon in the tussock tundra ecosystem ... of shrubs on the carbon cycle, the team created two plots in Alaska that excluded animals.

A few snow drifts remain on June 18, 2004, on the Arctic coastal plain of the National Petroleum Reserve in Alaska. The amount of atmospheric carbon absorbed by the Arctic’s tundra region in the ...

One recent turning point for the region involves its carbon footprint ... permafrost across the tundra, in some cases, severely. The Arctic report, for example, showed Alaskan permafrost ...

Finding a vole on Alaska’s North Slope ... alters the way that nutrients cycle through the ecosystem, which changes the tundra’s relationship to carbon. Voles cut plants when they’re green ...

It’s a vicious cycle. Rising temperatures ... For millennia, the Arctic tundra has helped stabilize global temperatures by storing carbon in the frozen ground. Wildfires have changed that ...

completing the carbon cycle. The tundra, a frozen treeless Arctic biome with long dark winters and short summers, alters the balance of this cycle. While it doesn’t have the dense, fast-growing ...

After locking carbon dioxide in its frozen soil for millennia, the Arctic tundra is undergoing a dramatic ... microbial decomposition. In 2024, Alaska recorded its second-warmest permafrost ...

At the Yukon Flats National Wildlife Refuge, managers are experimenting with a fire plan aimed at protecting the sequestered carbon ... biggest Alaska wildfire this season is a tundra burn in ...

Firefighters are embarking on an ambitious experiment to stamp out blazes deep in the Alaskan ... That cycle could be broken in part by fighting fires to protect carbon, scientists hope.

But as fossil fuel emissions heat the planet, balmier air temperatures are thawing Arctic tundra, activating carbon ... including for scientists assessing the carbon cycle.